| Équations équilibrées la veille |
N2H4 + 2 N2O4 = 6 NO + 2 H2O
Al + Cu(NO3)2 = Al(NO3)3 + Cu =>
2 Al + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu
Fe{2}O{3} + HNO{3} = FeNO{3}3 + H{2}O =>
Fe{2}O{3} + HNO{3} = FeNO{3}3 + H{2}O
S8 + Cl2 = SCl2 =>
S8 + 8 Cl2 = 8 SCl2
AgNO3 + NH4 = Ag + NH4NO3 =>
AgNO3 + NH4 = Ag + NH4NO3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
HCO2H + Cu2CO3(OH)2 + H2O = CO2 + Cu(HCO2)2*4H2O =>
4 HCO2H + Cu2CO3(OH)2 + 5 H2O = CO2 + 2 Cu(HCO2)2*4H2O
Cu3P + HNO3 = Cu(NO3)2 + H3PO4 + NO2 + H2O =>
Cu3P + 17 HNO3 = 3 Cu(NO3)2 + H3PO4 + 11 NO2 + 7 H2O
NaCNO + Cl2 + NaOH = NaHCO3 + N2 + NaCl + H2O =>
2 NaCNO + 3 Cl2 + 6 NaOH = 2 NaHCO3 + N2 + 6 NaCl + 2 H2O
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
Ca + HI = CaI + H =>
Ca + HI = CaI + H
MnCl2 + K2CO3 = Mn2(CO3)2 + KCl =>
2 MnCl2 + 2 K2CO3 = Mn2(CO3)2 + 4 KCl
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C2H6NO2Br + PbBr2 = (C2H6NO2)2PbBr4 =>
2 C2H6NO2Br + PbBr2 = (C2H6NO2)2PbBr4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Pb(NO3)2 + H2(SO4) = Pb(SO4) + HNO3 =>
Pb(NO3)2 + H2(SO4) = Pb(SO4) + 2 HNO3
Ba(NO3)2 + K2SO4 = BaSO4 + K2(NO3)2 =>
Ba(NO3)2 + K2SO4 = BaSO4 + K2(NO3)2
CH3OH + HNO3 = CH3NO3 + H2O =>
CH3OH + HNO3 = CH3NO3 + H2O
Pb(NO3)2 + H2SO4 = PbSO4 + HNO3 =>
Pb(NO3)2 + H2SO4 = PbSO4 + 2 HNO3
Cu(NO3)2 + H2O = Cu(OH)2 + NO2 + O2 =>
2 Cu(NO3)2 + 2 H2O = 2 Cu(OH)2 + 4 NO2 + O2
Na2CO3 + ClC6H4COOH = ClC6H4COONa + H2O + CO2 =>
Na2CO3 + 2 ClC6H4COOH = 2 ClC6H4COONa + H2O + CO2
CuO + Cl = CuCl2 + O2 =>
2 CuO + 4 Cl = 2 CuCl2 + O2
HClO3 + MnSO4 + H2SO4 = HCl + Mn(SO4)2 + H2O =>
HClO3 + 3 MnSO4 + 3 H2SO4 = HCl + 3 Mn(SO4)2 + 3 H2O
BaCH3COO + K2CrO4 = Ba2CrO4 + CH3COOK =>
2 BaCH3COO + K2CrO4 = Ba2CrO4 + 2 CH3COOK
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
H2 + O2 = H3O4 =>
3 H2 + 4 O2 = 2 H3O4
C2H7N2 + O2 = CO2 + H2O + NO =>
4 C2H7N2 + 19 O2 = 8 CO2 + 14 H2O + 8 NO
Zn + Mo2O7 = ZnO + MoO3 =>
Zn + Mo2O7 = ZnO + 2 MoO3
Cu(aq) + NH(aq) = Cu((NH)3)4(aq) =>
Cu(aq) + 12 NH(aq) = Cu((NH)3)4(aq)
Na2CO3 + Mg(NO3)2 = MgCO3 + NaNO3 =>
Na2CO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3
H2SO4(aq) + NaOH(aq) = Na2SO4(at) + H2O =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(at) + 2 H2O
Fe(Cl)3 + NaOH = Fe(OH)3 + NaCl =>
Fe(Cl)3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Os + HNO3 = Os(NO3)3 + NO2 + H2O =>
Os + 6 HNO3 = Os(NO3)3 + 3 NO2 + 3 H2O
CH3OH + O2 = H2O + CH3OO =>
4 CH3OH + 3 O2 = 2 H2O + 4 CH3OO
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
FeN3O9*9H2O + C2H5NO2 = Fe3O4 + N2 + CO2 + H2O =>
54 FeN3O9*9H2O + 92 C2H5NO2 = 18 Fe3O4 + 127 N2 + 184 CO2 + 716 H2O
Ca(MnO4)2 + NH4Cl = CaCl2 + NH4MnO4 =>
Ca(MnO4)2 + 2 NH4Cl = CaCl2 + 2 NH4MnO4
RuCl3 + SrO + O2 = SrRuO3 + SrCl2 =>
4 RuCl3 + 10 SrO + O2 = 4 SrRuO3 + 6 SrCl2
CH2OH + C2H4O2 = H2O + C3H6O2 =>
4 CH2OH + C2H4O2 = 2 H2O + 2 C3H6O2
H2SO4 + Cu + H{+} = Cu{2+} + SO2 + H2O =>
H2SO4 + Cu + 2 H{+} = Cu{2+} + SO2 + 2 H2O
CaCO3 + C = CaC2 + CO2 =>
2 CaCO3 + 5 C = 2 CaC2 + 3 CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HgCl2 + H2O = Hg2Cl2 + HCl + O2 =>
4 HgCl2 + 2 H2O = 2 Hg2Cl2 + 4 HCl + O2
Cu3(OH)2(CO3)2 + H{+} = Cu{2+} + CO2 + H2O =>
Cu3(OH)2(CO3)2 + 6 H{+} = 3 Cu{2+} + 2 CO2 + 4 H2O
NaOH + C4H6O6 = H2O + C4H4O6Na2 =>
2 NaOH + C4H6O6 = 2 H2O + C4H4O6Na2
Mg(s) + AlCl3(aq) = Al(s) + MgCl2 =>
3 Mg(s) + 2 AlCl3(aq) = 2 Al(s) + 3 MgCl2
HNO3 + Cu(OH)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(OH)2 = Cu(NO3)2 + 2 H2O
Fe + H2S = H2 + FeS3 =>
Fe + 3 H2S = 3 H2 + FeS3
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